Index: firmware/App/Services/CommBuffers.c
===================================================================
diff -u -r893caf9f58a08a2bd31068806e09603041d64add -r9e2779d825ea7e7b3445fa365f7bc2206fc0613a
--- firmware/App/Services/CommBuffers.c	(.../CommBuffers.c)	(revision 893caf9f58a08a2bd31068806e09603041d64add)
+++ firmware/App/Services/CommBuffers.c	(.../CommBuffers.c)	(revision 9e2779d825ea7e7b3445fa365f7bc2206fc0613a)
@@ -59,7 +59,7 @@
 {
     BOOL status = FALSE;
 
-    if ( ( mailBox <= NUM_OF_SW_UPDATE_MBOXES ) && ( len <= MAX_NUM_OF_CAN_BYTES ) )
+    if ( ( mailBox < NUM_OF_SW_UPDATE_MBOXES ) && ( len <= MAX_NUM_OF_CAN_BYTES ) )
     {
         _disable_IRQ();
         memcpy( data, SWUpdateBuffer[ mailBox ].SWUpdateBuffer, len );